Allow MainThreadEventQueue to call the RenderWidget directly.

content/renderer/input/input_handler_manager_client.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_RENDERER_INPUT_INPUT_HANDLER_MANAGER_CLIENT_H_
 #define CONTENT_RENDERER_INPUT_INPUT_HANDLER_MANAGER_CLIENT_H_
 
 #include "base/callback.h"
 #include "base/callback_forward.h"
 #include "base/macros.h"
 #include "content/common/content_export.h"
 #include "content/common/input/input_event_ack_state.h"
 #include "third_party/WebKit/public/platform/WebInputEventResult.h"
 #include "ui/events/blink/web_input_event_traits.h"
 #include "ui/gfx/geometry/vector2d_f.h"
 
 namespace ui {
 class LatencyInfo;
 class SynchronousInputHandlerProxy;
 struct DidOverscrollParams;
 }
 
 namespace content {
 class InputHandlerManager;
+class MainThreadEventQueue;
 
 class CONTENT_EXPORT InputHandlerManagerClient {
  public:
   virtual ~InputHandlerManagerClient() {}
 
   // Called from the main thread.
   virtual void SetInputHandlerManager(InputHandlerManager*) = 0;
-  virtual void NotifyInputEventHandled(int routing_id,
-                                       blink::WebInputEvent::Type type,
-                                       blink::WebInputEventResult result,
-                                       InputEventAckState ack_result) = 0;
-  virtual void ProcessRafAlignedInput(int routing_id,
-                                      base::TimeTicks frame_time) = 0;
 
   // Called from the compositor thread.
-  virtual void RegisterRoutingID(int routing_id) = 0;
+  virtual void RegisterRoutingID(
+      int routing_id,
+      const scoped_refptr<MainThreadEventQueue>& input_event_queue) = 0;
   virtual void UnregisterRoutingID(int routing_id) = 0;
   virtual void RegisterAssociatedRenderFrameRoutingID(
       int render_frame_routing_id,
       int render_view_routing_id) = 0;
   virtual void QueueClosureForMainThreadEventQueue(
       int routing_id,
       const base::Closure& closure) = 0;
 
   // |HandleInputEvent| will respond to overscroll by calling the passed in
   // callback.
@@ skipping 25 matching lines @@
  protected:
   SynchronousInputHandlerProxyClient() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(SynchronousInputHandlerProxyClient);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_INPUT_INPUT_HANDLER_MANAGER_CLIENT_H_